4 Online Data Structure Diagram Maker Websites Free

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This article covers 4 free online data structure diagram maker websites.

A data structure diagram is used to represent a data structure with all its values. It shows how the data is organized within a data structure. The diagram makes it easy to represent and thus understand a data structure.

With these websites, you can make data structure diagrams in a few simple steps. All these websites are specially designed to help users easily draw various types of diagrams online. They pack a variety of tools covering shapes for almost all sorts of diagrams whether its an engineering diagram, business diagram or some other type of diagram. So, let’s check them out.

Also Read: 5 Free Websites To Draw Use Case Diagram Online

Here Are 4 Free Websites To Make Data Structure Diagram Online:


online data structure diagram maker

Draw.io is a free online diagram editor where you can create a vast variety of diagrams. It has an easy to navigate UI with canvas in the center and two toolbars on both sides. The left side toolbar contains shapes categorized by their use-case. This shape library is quite large and also gives you an option to upload your own custom shapes.

The right side toolbar shows you customization options for a selected shape. From here, you can style a shape with colors, change its width and adjust the opacity. It also gives you text formatting options along with options to arrange, rotate, and resize the shape.

On the top of the canvas, you get all the connection options along with some quick options to fill, copy, delete, etc. After making your data structure diagram here, you can export it to popular cloud storage’s (Google Drive, Dropbox, etc.). You can also download your diagram as image, SVG, PDF, or HTML file.

Make data structure diagram online with Draw.io here.


free online data structure diagram maker

Creately is another powerful online diagram editor where you can easily make data structures diagrams. The user interface layout is quite same as the Draw.io. On the left, it has a decent collection of shapes. You can also add more shapes from the Creately Shape Library and from your computer. With a simple drag & drop, you can add these shapes to the canvas and make data structure diagram.

After adding a shape, you can name, rotate, and resize it on the canvas. You can also make other style-related customization from the Properties tab from the right. From there, you can also add notes and comments to your diagram. Moreover, you can also invite others to collaborate with you. Creately supports images and graphics as well along with Visio file import. After finalizing your diagram, image, SVG, or PDF file. You also get an option to generate HTML code by making your diagram public and easily embed it on webpages.

You can try Creately here.


make online data structure diagram online

RealTimeBoard is an online whiteboard where you can create various types of diagrams. It has a decent collection of templates covering multiple samples of use-case diagram, business diagram, UX design diagram, and more. It has all the shapes and tools you possibly need to make data structure diagrams. You can import images from your computer or web to add them to your board. You can also create stylish frames and add them to your design to make it look more attractive.

After creating a diagram, you can export it as an image, PDF, or CSV file. You can also generate an HTML code to embed the board on a web page; in order to do that, you have to make your board public. With RealTimeBoard, you can collaborate with others on your design in real time. You can create Activity which every collaborator can see and also chat with Slack integration. It also has a screen share option which allows you to share your whiteboard online along with audio. As a free user, you can create up to 3 boards at a time and add up to 2 collaborators.

Draw data structure diagram online with RealTimeBoard here.


make online data structure diagram online free

LucidChart is a powerful online diagram editor to create professional quality diagrams. It packs all the features one can expect from this type of tool including integration with G Suite, online collaboration and Visio import. Here, you can add multiple canvases to a project and thus create multiple diagrams.

In terms of diagramming tools, it packs a huge shape library categorized by their types and use-cases. You can access all these shapes on the left side toolbar and can also add your own shapes as well. On the right side of the canvas, you get options for page settings, comments, slides, data linkage, edit history, etc. Some of these features are not available for free users. Speaking of free users, you can only create 3 documents without premium subscription.

Check out Lucid Chart to make data structure diagram online here.

Closing Words:

These are the 4 free online data structure diagram maker websites. All these websites are easy to work with, depending on what features you need and where you are going to use your diagram, you can go with any of them.

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